Transaction Details
SMART CONTRACT
Transaction Hash
cb806e990ff001b76ed58a9d6b102cf4c31286697c2e46e8f1057a96e29883a6
Block Status
Smart Contract State
SCID Reserves
| SCID | Amount (Atomic Units) |
|---|---|
| 0000000000000000000000000000000000000000000000000000000000000000 | 0 |
String Variables
| Key | Value |
|---|---|
| C | 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|
| counter_addr | 2ec291c2b5c3a142c386c3adc38f382fc385c2903227c29d5b28c282c2821ac3803bc283c3bd34c391c28e6132c2a32f3b00 |
| deadline | 7.496214e+06 |
| issuer_addr | 2ec291c2b5c3a142c386c3adc38f382fc385c2903227c29d5b28c282c2821ac3803bc283c3bd34c391c28e6132c2a32f3b00 |
| preimage_hash | 264c858049a8ff6c3641e696fef42922775bb7382f8e4a1151ec86d5c8727a9f |
| state | 0 |
| terms_commit | 362fee469a155f49fbe64052e41cf7c5b620088d268735c8c7339c42293af2d5 |
| tier | 100 |
Transaction Information
Root Hash
Built Height
7494771
Block
Timestamp
1787116823449
Timestamp (UTC)
2026-08-19 05:20:23
Block Age
46m 40s ago
Fee
0.05166
TX Size
6.411 kB
Version
1
Confirmations
149
Signature Type
DERO_HOMOMORPHIC
DERO Asset
16
Ring Size
0.05166
Fees
0.00000
Deposited
Sender
Ring Members (16)
Smart Contract Details
SC Balance
0.00000 DERO
Smart Contract Code
Smart Contract Arguments
| Name | Type | Value |
|---|---|---|
| SC_ACTION | uint64 | 1 |
| SC_CODE | string | "/* Standard Size Contract v0 — v151-compatible (T1 HTLC traversal) State: "issuer_addr" String — issuer DERO address (refund payout) "counter_addr" String — counterparty DERO address (redeem payout) "tier" Uint64 — standard denomination (e.g. 500 = $500) "terms_commit" String — keccak256(tier:nonce:blind) hash commitment "preimage_hash" String — keccak256(secret) — the atomic-swap secret "deadline" Uint64 — block height after which refund opens "state" Uint64 — 0=OPEN 1=REDEEMED 2=REFUNDED */ Function Initialize(issuer_addr String, counter_addr String, tier Uint64, nonce String, blind String, secret String, deadline Uint64) Uint64 5 version("1.2.3") // v151 as-is 10 STORE("issuer_addr", issuer_addr) // explicit, no SIGNER() (K0-safe) 20 STORE("counter_addr", counter_addr) 30 STORE("tier", tier) 40 STORE("deadline", deadline) 50 STORE("state", 0) 60 STORE("terms_commit", KECCAK256(ITOA(tier) + ":" + nonce + ":" + blind)) 70 STORE("preimage_hash", KECCAK256(secret)) 80 RETURN 0 End Function /* Redeem: counterparty reveals the secret; contract checks the preimage. Pure v151: keccak256 comparison, no signature, no group ops. DERO convention: RETURN 0 = success (state commits), nonzero = error. */ Function Redeem(secret String) Uint64 10 IF LOAD("state") != 0 THEN GOTO 900 // only OPEN 20 IF KECCAK256(secret) == LOAD("preimage_hash") THEN GOTO 100 30 GOTO 900 // wrong preimage 100 STORE("state", 1) // REDEEMED 110 SEND_DERO_TO_ADDRESS(LOAD("counter_addr"), DEROVALUE()) 120 RETURN 0 // success — commits state+transfer 900 RETURN 1 // error End Function /* Refund: after deadline, ANYONE can trigger the refund — funds go to the stored issuer address. No SIGNER() (no ringsize-2 requirement, K0-safe), no authorization needed for a timelock payout. */ Function Refund() Uint64 10 IF LOAD("state") != 0 THEN GOTO 900 // only OPEN 20 IF BLOCK_HEIGHT() < LOAD("deadline") THEN GOTO 900 // not expired yet 100 STORE("state", 2) // REFUNDED 110 SEND_DERO_TO_ADDRESS(LOAD("issuer_addr"), DEROVALUE()) 120 RETURN 0 // success 900 RETURN 1 // error End Function /* TermsReveal: counterparty reveals (tier, nonce, blind) to prove the terms commitment; contract recomputes keccak and compares. RETURN 0 = terms match, nonzero = mismatch. */ Function TermsReveal(tier Uint64, nonce String, blind String) Uint64 10 IF tier != LOAD("tier") THEN GOTO 900 20 IF KECCAK256(ITOA(tier) + ":" + nonce + ":" + blind) == LOAD("terms_commit") THEN GOTO 100 30 GOTO 900 100 RETURN 0 // match 900 RETURN 1 // mismatch End Function " |
| blind | string | "1f16f259f0a0a7edd7562488652c5503f41b397f851f30eabf557fbcd1773dac" |
| counter_addr | string | ".µáBÆíÏ8/Å2'[(À;ý4Ña2£/;�" |
| deadline | uint64 | 7496214 |
| entrypoint | string | "Initialize" |
| issuer_addr | string | ".µáBÆíÏ8/Å2'[(À;ý4Ña2£/;�" |
| nonce | string | "relayos-htlc-774248d5e8a8211b" |
| secret | string | "0e04dbdb6bb96bef6b98260cd615f8d9e7103565869fa1f0efd871c9a14a0d61" |
| tier | uint64 | 100 |
Prove Transaction
Prove that you sent DERO in this transaction. Obtain proof using the dero-wallet-cli command or from your wallet statement.
Note: The proof is sent to the server for verification calculations.
Payload proofs are user-provided display proofs; for the strongest verification, confirm with the receiving wallet.